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351 points perihelions | 1 comments | | HN request time: 0.302s | source
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loopdoend ◴[] No.44534215[source]
Wish there were some way to detect impurities like this at home.
replies(6): >>44534290 #>>44534341 #>>44534394 #>>44534711 #>>44535084 #>>44536622 #
pfdietz ◴[] No.44534290[source]
Hand held x-ray fluorescence spectrometer?
replies(3): >>44534323 #>>44534350 #>>44534525 #
1. unixhero ◴[] No.44534323[source]
But of course!